Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Miller Charles S.	2. Issuer Name and Ticker or Trading Symbol FASTENAL CO [ FAST ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior Executive VP
(Last) (First) (Middle) 112 COBBLESTONE LANE	3. Date of Earliest Transaction (MM/DD/YYYY) 7/21/2020
(Street) WINONA, MN 55987 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	7/21/2020		M		624	A	$27	8124	D
Common Stock	7/21/2020		S		624	D	$45.345	7500	D
Common Stock	7/21/2020		M		3720	A	$21	11220	D
Common Stock	7/21/2020		S		3720	D	$45.37	7500	D
Common Stock	7/21/2020		M		3804	A	$23	11304	D
Common Stock	7/21/2020		S		3804	D	$45.3431	7500	D
Common Stock	7/21/2020		M		26809	A	$23.50	34309	D
Common Stock	7/21/2020		S		26809	D	$45.301	7500	D
Common Stock								11913 ⁽⁴⁾	I	Held in 401(K) Plan

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Employee Stock Option (Right to Buy)	$27 ⁽⁵⁾	7/21/2020		M			624 ⁽⁵⁾	⁽¹⁾	5/31/2021	Common Stock	624 ⁽⁵⁾	$0	0	D
Employee Stock Option (Right to Buy)	$21 ⁽⁶⁾	7/21/2020		M			3720 ⁽⁶⁾	⁽¹⁾	5/31/2024	Common Stock	3720 ⁽⁶⁾	$0	2232 ⁽⁶⁾	D
Employee Stock Option (Right to Buy)	$23 ⁽⁷⁾	7/21/2020		M			3804 ⁽⁷⁾	⁽²⁾	5/31/2025	Common Stock	3804 ⁽⁷⁾	$0	1630 ⁽⁷⁾	D
Employee Stock Option (Right to Buy)	$23.50 ⁽⁸⁾	7/21/2020		M			26809 ⁽⁸⁾	⁽³⁾	12/31/2026	Common Stock	26809 ⁽⁸⁾	$0	47659 ⁽⁸⁾	D

Explanation of Responses:
(1)	The option will fully vest and become exercisable over a period of eight years, with 50% of the option vesting and becoming exercisable half way through the relevant vesting period and the remainder vesting proportionately each year thereafter.
(2)	The option will fully vest and become exercisable over a period of five years, with 50% of the option vesting and becoming exercisable half way through the relevant vesting period and the remainder vesting incrementally (20%, 20% and 10%) each year thereafter.
(3)	The option will fully vest and become exercisable over a period of five years, with 40% of the option vesting and becoming exercisable two years following the date of grant and the remainder vesting proportionally (20%) each year thereafter.
(4)	Shares attributed to reporting person's account within issuer's 401(K) Plan and includes 233 shares added to this account since his holdings report filed on November 15, 2019.
(5)	On May 22, 2019, the common stock of Fastenal Company split 2-for-1 resulting in the reporting person acquiring an additional 2,500 shares at a split adjusted strike price of $27, since his holdings report concerning these securities filed on December 7, 2015.
(6)	On May 22, 2019, the common stock of Fastenal Company split 2-for-1 resulting in the reporting person acquiring an additional 2,976 shares at a split adjusted strike price of $21, since his holdings report concerning these securities filed on December 7, 2015.
(7)	On May 22, 2019, the common stock of Fastenal Company split 2-for-1 resulting in the reporting person acquiring an additional 2717 shares at a split adjusted strike price of $23, since his holdings report concerning these securities filed on April 21, 2016.
(8)	On May 22, 2019, the common stock of Fastenal Company split 2-for-1 resulting in the reporting person acquiring an additional 37,234 shares at a split adjusted strike price of $23.5, since his holdings report concerning these securities filed on January 1, 2017.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Miller Charles S. 112 COBBLESTONE LANE WINONA, MN 55987			Senior Executive VP